#spreadsheet td.active-cell input {
    border-top: 1px solid black;
    border-bottom: 1px solid black;
    border-left: 1px solid black;
    border-right: 1px solid black;
}

.row-number-column {
    width: 40px;
    background-color: #eeeeee;
    text-align: center;
}

#spreadsheet td {
    border: 1px solid gray;
}

#spreadsheet input {
    border:0;
}

#spreadsheet .columnHeader {
    background-color: #eeeeee;
    text-transform: uppercase;
    text-align: center;
}
